Year i AD

Date ${\text{t}}_{\text{e}}\text{(i},\text{loc}\text{.max}\text{.)}$ of the strongest earthquake

Magnitude ${\text{M}}_{\text{up}}\text{(i,loc}\text{.max}\text{.)}$ of the strongest earthquake

Region of the strongest earthquake

The realized necessary condition 1.1 or 1.2

${\Delta }^{\ast }(\text{i})=\left|{\text{t}}_{\text{e}}\text{(i},\text{loc}\text{.max}\text{.)}-{\text{t}}^{\ast }{\text{(τ}}_{\text{c,r}},\text{i)}\right|$ ,

in days

1975 AD

February 4, 1975 AD = 1975.09582477 AD

7.0

Liaoning, China

1.1 nearly

62.4 days before the calculated date

${\text{t}}^{\ast }{\text{(τ}}_{\text{c,r}},\text{1975)}=1975.\text{26666666AD}$

1975 AD

March 23, 1975 AD

= 1975.22450376 AD

6.6

Taiwan region

1.1 perfectly

15.4 days before the calculated date

${\text{t}}^{\ast }{\text{(τ}}_{\text{c,r}},\text{1975)}=1975.\text{26666666AD}$

1975 AD

April 28, 1975 AD

= 1975.32306639

6.3

Kashmir-Xinjiang

border region

1.1 nearly

20.6 days after the calculated date

${\text{t}}^{\ast }{\text{(τ}}_{\text{c,r}},\text{1975)}=1975.\text{26666666AD}$

1999 AD

April 8, 1999 AD

= 1999.26830937 AD

7.1

Jilin-Heilongjiang border region, China

1.1 perfectly

0.6 days after the calculated date

${\text{t}}^{\ast }{\text{(τ}}_{\text{c,r}},\text{1999)}=1999.\text{26666666AD}$

2023 AD

January 25, 2023 AD

= 2023.06844626 AD

5.4

Western Sichuan, China

1.1 nearly

72.4 days before the calculated date

${\text{t}}^{\ast }{\text{(τ}}_{\text{c,r}},\text{2023)}=2023.\text{26666666AD}$

2023 AD

February 6, 2023 AD

= 2023.10130047 AD

7.8

Pazarcik earthquake, Kahramanmaras earthquake sequence

1.1 perfectly

60.39 days before the calculated date

${\text{t}}^{\ast }{\text{(τ}}_{\text{c,r}},\text{2023)}=2023.\text{26666666AD}$